<template>
  <el-dialog title="新增员工" :visible="showDialog" @close="closeDialog" @click.native="handleClick">
    <!-- 表单 -->
    <el-form ref="addForm" label-width="120px" :model="formData" :rules="rules">

      <el-form-item label="姓名" prop="username">
        <el-input v-model="formData.username" style="width:50%" placeholder="请输入姓名" />
      </el-form-item>

      <el-form-item label="手机" prop="mobile">
        <el-input v-model="formData.mobile" style="width:50%" placeholder="请输入手机号" />
      </el-form-item>

      <el-form-item label="入职时间" prop="timeOfEntry">
        <el-date-picker v-model="formData.timeOfEntry" style="width:50%" placeholder="请选择入职时间" />
      </el-form-item>

      <el-form-item label="聘用形式" prop="formOfEmployment">
        <el-select v-model="formData.formOfEmployment" style="width:50%" placeholder="请选择">
          <el-option v-for="item in hireType" :key="item.id" :label="item.value" :value="item.id" />
        </el-select>
      </el-form-item>

      <el-form-item label="工号" prop="workNumber">
        <el-input v-model="formData.workNumber" style="width:50%" placeholder="请输入工号" />
      </el-form-item>

      <el-form-item label="部门" prop="departmentName">
        <el-input :value="formData.departmentName" style="width:50%" placeholder="请选择部门" @click.native.stop="handleFocus" />
        <div v-if="isTreeShow" class="tree-box">
          <el-scrollbar>
            <el-tree
              v-loading="loading"
              :data="treeDate"
              :props="{ label: 'name' }"
              @node-click="handleNodeClick"
            />
          </el-scrollbar>
        </div>
      </el-form-item>

      <el-form-item label="转正时间" prop="correctionTime">
        <el-date-picker v-model="formData.correctionTime" style="width:50%" placeholder="请选择转正时间" />
      </el-form-item>

    </el-form>
    <!-- footer插槽 -->
    <template #footer>
      <el-button @click="closeDialog">取消</el-button>
      <el-button type="primary" @click="btnOk">确定</el-button>
    </template>
  </el-dialog>
</template>

<script>
import { reqgetDepartments } from '@/api/departments' // 获取部门列表
import { tranListTotreeData } from '@/utils/index' // 递归方法转换树形结构
import { reqAddEmployee } from '@/api/employees' // 新增员工的方法
import obj from '@/api/constant/employees' // 枚举
export default {
  props: {
    showDialog: { // 控制弹窗
      type: Boolean,
      default: false
    }
  },
  data() {
    return {
      formData: { // 新增用户的输入框内容2
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      },
      rules: { // 校验规则
        username: [
          { required: true, message: '用户姓名不能为空', trigger: 'blur' },
          { min: 1, max: 4, message: '用户姓名为1-4位', trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: 'blur' },
          { pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: 'blur' }
        ],
        formOfEmployment: [
          { required: true, message: '聘用形式不能为空', trigger: 'blur' }
        ],
        workNumber: [
          { required: true, message: '工号不能为空', trigger: 'blur' }
        ],
        departmentName: [
          { required: true, message: '部门不能为空', trigger: 'change' }
        ],
        timeOfEntry: [
          { required: true, message: '请选择入职时间', trigger: ['blur', 'change'] }
        ]
      },
      treeDate: [], // 部门列表的树形结构关联
      isTreeShow: false, // 控制部门下面的树形结构展示
      loading: false, //  部门列表加载圈
      hireType: obj.hireType // 枚举获取聘用形式
    }
  },
  methods: {
    closeDialog() { // 关闭弹窗
      this.formData = { // 新增用户的输入框内容2
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      }
      this.$refs.addForm.resetFields()
      this.$emit('update:showDialog', false)
    },
    async handleFocus() { // 选择部门框聚焦就获取部门数据
      this.loading = true
      this.isTreeShow = true // 显示部门列表
      const { depts } = await reqgetDepartments()
      //   把数据转换成树形结构
      this.treeDate = tranListTotreeData(depts)
      this.loading = false
    },
    handleClick() { // 利用事件冒泡关闭部门列表
      this.isTreeShow = false // 关闭部门列表
    },
    handleNodeClick(data) { // 树形节点被点击触发
      this.formData.departmentName = data.name
      this.isTreeShow = false
    },
    async btnOk() { // 新增员工
      await this.$refs.addForm.validate() // 校验成功
      await reqAddEmployee(this.formData)
      this.$message.success('新增员工成功')
      // 关闭弹窗
      this.closeDialog()
      // 告知父组件刷新数据
      this.$emit('add-employee')
    }
  }
}
</script>

<style lang="scss" scoped>
.tree-box {
  position: absolute;
  width: 50%;
  min-height: 50px;
  max-height: 250px;
height: 220px;
  left: 0;
  top: 45px;
  z-index: 100;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding-right: 5px;
  overflow: auto;
  background-color: #fff;

  ::v-deep {
    .el-tree-node__content {
      height: auto;
    }
  }
}
</style>

